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A drug interaction occurs when the concurrent use of another drug, food, or an external substance alters the pharmacological activity of a drug. This interaction can modify the action of the original drug, affecting its effectiveness and safety.Drug–food interactions are significant as they impact drug absorption, metabolism, and excretion. For example, grapefruit juice is a well-known disruptor of drug metabolism. It inhibits the cytochrome P450 3A4 enzyme, crucial for the metabolism of...
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[Malaria and HIV: which interactions?].

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    People with HIV (PLHIV) face increased severe malaria risk when traveling. Early diagnosis and artemisinin treatments are crucial for successful outcomes in returning travelers.

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    Area of Science:

    • * Infectious Diseases
    • * Tropical Medicine
    • * Public Health

    Background:

    • * Individuals living with HIV (PLHIV) frequently travel, posing a risk of Plasmodium infection (malaria).
    • * HIV-malaria co-infection exacerbates malaria severity, directly correlating with immunosuppression levels.
    • * Pre-travel consultations are less common among PLHIV compared to the general population.

    Observation:

    • * PLHIV traveling to malaria-endemic regions require specific preventive measures.
    • * Recommendations include mosquito bite prevention and antimalarial drug prophylaxis.
    • * A notable gap exists in pre-travel health consultations for PLHIV.

    Findings:

    • * HIV-malaria co-infection significantly elevates the risk of severe malaria.
    • * The degree of immunosuppression in PLHIV is a key factor in malaria severity.
    • * Early diagnosis and artemisinin-based therapies are critical for treating malaria in returning travelers.

    Implications:

    • * Targeted travel health advice and interventions are essential for PLHIV.
    • * Enhancing pre-travel consultation uptake among PLHIV is a public health priority.
    • * Prompt and appropriate treatment is vital for improving malaria outcomes in this vulnerable population.